Probably the easiest way to still thoroughly learn Linux is just to pick up a good ole book. The Chengdu University of Technology hosts an FTP server with a couple dozen Linux, Unix, and programming books available. Homelinux.org also allows you download up to 20 ebooks per day. They are almost all PDFs for easy viewing.
Muddy Geek
One Geek’s Linux powered gadget fueled sugar free backpacking trek to a greener life
[...] Books muddygeek created an interesting post today on Linux BooksHere’s a short outlineProbably the easiest [...]